5930-00-644-2679 SWITCH,ROTARY Index 5965-00-644-2692 LOUDSPEAKER,PERMANENT MAGNET

National Stock Number:
5977-00-644-2688

Federal Supply Class:
5977

National Item Identification Number:
006442688

Description:
BRUSH,ELECTRICAL CONTACT

Detail:
AN ITEM SPECIFICALLY DESIGNED TO BE USED IN THE TRANSFER OF ELECTRICAL ENERGY TO OR FROM ANOTHER CONDUCTING SURFACE. EITHER THE BRUSH OR THE SURFACE IS CONTINUALLY MOVING DURING THE TRANSFER OF ENERGY. THE BRUSH IS USUALLY COMPOSED IN PART OF SOME FORM OF THE ELEMENT CARBON. INCLUDES: (1) A SINGLE BRUSH EITHER WITH OR WITHOUT AN ATTACHED SHUNT (FLEXIBLE WIRE LEAD) AND/OR A HELICAL OR FLAT TYPE PRESSURE SPRING; (2) A SPLIT BRUSH COMPOSED OF TWO OR MORE PIECES (WAFERS), WHICH ARE USED IN PLACE OF ONE BRUSH USUALLY CONNECTED TOGETHER BY INDIVIDUAL SHUNTS TO A COMMON TERMINAL; (3) PAIRED BRUSHES COMPOSED OF TWO IDENTICAL OR NON-IDENTICAL BRUSHES CONNECTED TOGETHER BY A COMMON SHUNT EITHER WITH OR WITHOUT PRESSURE SPRINGS OR CONNECTED BY INDIVIDUAL SHUNTS TO A COMMON TERMINAL, OR WITH PRESSURE SPRINGS AND CONNECTED TO A COMMON BAR, BRACKET OR THE LIKE EITHER WITH OR WITHOUT INDIVIDUAL SHUNTS; (4) MULTIPLE BRUSHES COMPOSED OF MORE THAN TWO IDENTICAL OR NON-IDENTICAL BRUSHES WITHOUT PRESSURE SPRINGS CONNECTED BY INDIVIDUAL SHUNTS TO A COMMON TERMINAL, OR WITH PRESSURE SPRINGS AND CONNECTED TO A COMMON BAR, BRACKET OR THE LIKE BY INDIVIDUAL SHUNTS. DOES NOT INCLUDE MOVING CONTACTS WHICH MAKE AND SLIDE PAST STATIONARY CONTACTS, BUT ARE STATIONARY WHILE THE CIRCUIT IS CONDUCTING, SUCH AS THE SLIDING CONTACTS ON A RHEOSTAT OR THE STATIONARY CONTACT ON A SYNCHRO. EXCLUDES: CONTACT, ELECTRICAL; AND CONTACT ASSEMBLY, ELECTRICAL.


Manufacturer Information:
2755-418965DYNAMIC AIR ENGINEERING, INC.
2755-4A9271GORIZIANE GROUP SPA


Techincal Specification:
BODY STYLERECTANGULAR COMMUTATOR
BRUSH SHUNT LENGTH3.375 INCHES NOMINAL SINGLE SHUNT
CONTACT FACE STYLECONCAVE
LENGTH1.125 INCHES NOMINAL
OUTER EDGE TO SLOT EDGE DISTANCE0.375 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONCARBONE GRAADE 52 MFR REF SINGLE MATERIAL RESPONSE
MATERIALCARBON
SHUNT INSULATION PROVISION AND QUANTITY2 INSULATED
SHUNT POSITION DESIGNATOR2 AND 8
SLOT DEPTH0.281 INCHES NOMINAL
SLOT WIDTH0.281 INCHES NOMINAL
RADIUS1.250 INCHES NOMINAL
WIDTH1.209 INCHES NOMINAL
STYLE DESIGNATORONE PIECE
TERMINAL TYPE AND QUANTITY1 TUBULAR W/HOLE
THICKNESS0.385 INCHES NOMINAL
TOP STYLEFLAT WITH RECTANGULAR SLOT


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